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AU257227B2 - Improvements in or relating to circuit arrangements for loudspeaking intercommunication systems - Google Patents

Improvements in or relating to circuit arrangements for loudspeaking intercommunication systems

Info

Publication number
AU257227B2
AU257227B2 AU3903/61A AU390361A AU257227B2 AU 257227 B2 AU257227 B2 AU 257227B2 AU 3903/61 A AU3903/61 A AU 3903/61A AU 390361 A AU390361 A AU 390361A AU 257227 B2 AU257227 B2 AU 257227B2
Authority
AU
Australia
Prior art keywords
loudspeaking
relating
circuit arrangements
intercommunication systems
intercommunication
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
AU3903/61A
Other versions
AU390361A (en
Inventor
KUNI and EBERXUS WILLEMS SIMON
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Application granted granted Critical
Publication of AU390361A publication Critical patent/AU390361A/en
Publication of AU257227B2 publication Critical patent/AU257227B2/en
Expired legal-status Critical Current

Links

AU3903/61A 1960-04-28 1961-04-26 Improvements in or relating to circuit arrangements for loudspeaking intercommunication systems Expired AU257227B2 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NLNL250981 1960-04-28

Publications (2)

Publication Number Publication Date
AU390361A AU390361A (en) 1963-04-26
AU257227B2 true AU257227B2 (en) 1963-04-26

Family

ID=

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